当你睡眠充足时，你就不会感到困倦。
睡眠不足会让你有黑眼圈，白天可能还会感到困倦。
Less sleep can give you dark circles under your eyes and you may feel sleepy during the daytime.
你知道为什么我们上课上到一半时会感到困倦吗？
Do you know the reason why we feel tired in the middle of a class?
吃大餐会让你感到困倦，这会让你感到不舒服，让你睡不好觉。
Eating a big meal can make you feel sleepy, and it can make you feel uncomfortable and prevent you from sleeping well.
通常，青少年的睡眠周期会延迟，这导致许多学生直到晚上很晚才感到困倦。
Typically, the preferred sleep cycle is delayed in adolescents, which leads to many students not feeling sleepy until much later in the evenings.
酒精加安眠药会让你感到困倦。
Sleeping pills combine with alcohol to produce a sleepy feeling.
玛丽躺在床上，感到困倦。
保持房间凉爽而不是温暖，以避免感到困倦。
Keep the room cool rather than warm to avoid feeling sleepy.
虽然机舱压力可以被调节，以避免人体发生高空反应，但你仍会感到困倦或头痛。
Although the pressure of the cabin is adjusted to prevent altitude sickness, you could still experience sleepiness or a headache.
如果可能的话，选择感到困倦想睡觉的时间。
If possible, select a time to go to bed when you naturally begin to feel sleepy.
但是以后你一定会对这么虚无缥缈的爱感到困倦。
每次我工作感到困倦的时候，我就喝一杯黑咖啡提提神。
Every time when I feel sleepy at work, I will take a cup of black coffee as pick-me-up.
例如，昨晚，我睡不着。我阅读小说来让我的眼睛感到困倦。
For example, last night, I had a hard jod to fall asleep. I read a novel to make my eyes feel sleepy.
起来，做一些放松，直到你找到你感到困倦再次-然后回去睡觉。
Get up and do something you find relaxing until you feel sleepy again - then go back to bed.
也有报道说即使熬夜的人们工作效率下降，他们也不会感到困倦。
Sleep-restricted people also reported not feeling sleepy even though their performance on tasks declined.
第一，酒喝了后可以让我们感到累，如果我们正在驾车的话，我们可能会感到困倦。
First, the wine can make us feel tired after drinking it, If we are driving then, we may feel sleepy.
如果没有获得足够的日照，我们的身体会产生过多的褪黑激素，这种激素会让我们感到困倦。
If we don't get enough, our bodies produce too much melatonin, the hormone responsible for making us feel sleepy.
这又是情理之中的事。因为拿走那些通常会使志愿者们感到困倦的药物会打断其惯常的睡眠习性。
Again, this would be expected as taking away the medication that normally made the volunteers sleepy had interrupted the normal sleep routine.
最新研究显示，睡眠障碍不仅会使人感到困倦疲乏、心情沮丧，还能引起诸如心脏病和中风等健康问题。
According to a recent study, sleep problems are not just tiring and frustrating , they can also cause health problems, raising the risk of heart disease and stroke.
最新研究显示，睡眠障碍不仅会使人感到困倦疲乏、心情沮丧，还能引起诸如心脏病和中风等健康问题。
According to a recent study, sleep problems are not just tiring and frustrating, they can also cause health problems, raising the risk of heart disease and stroke.
乡村道路上的驾驶员比市区的驾驶员更容易感到放松、困倦，并且更容易在开车时吃东西或打电话从而导致分心。
Rural drivers also tend to feel more relaxed and sleepy than urban drivers, and are more likely to engage in behaviors such as eating or talking on a cell phone that distract them from the roadway.
身体上感到“劳累”却仍然无法入睡是可能的，因为你的身体可能感到疲惫，但你不觉得困倦。
It's possible to feel "tired" physically and still be unable to fall asleep, because while your body may be exhausted, you don't feel sleepy.
当你感觉困倦的时候再上床睡觉——眼睛是没有精神的，你也会感到昏昏欲睡的，你会感到你好像在打盹似的。
Get into bed when you're sleepy — eyes droopy, you're drowsy, you feel like you're nodding off.
当你感觉困倦的时候再上床睡觉——眼睛是没有精神的，你也会感到昏昏欲睡的，你会感到你好像在打盹似的。
Get into bed when you're sleepy - eyes droopy, you're drowsy, you feel like you're nodding off.
“饭气攻心”指的是在大吃一顿后感到的困倦，通常是因为在食物消化过程中血液大量涌向胃的缘故。
Food coma refers to the feeling of listlessness, bordering on sleep, that one feels after eating a large meal, often caused by a rush of blood to the stomach and intestines during food digestion.
“饭气攻心”指的是在大吃一顿后感到的困倦，通常是因为在食物消化过程中血液大量涌向胃的缘故。
Food coma refers to the feeling of listlessness, bordering on sleep, that one feels after eating a large meal, often caused by a rush of blood to the stomach and intestines during food digestion.
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